class User < ActiveRecord::Base
	before_save { self.email = email.downcase }


	validates :name, presence:true, length:{maximum: 50}
	VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
	validates :email, presence:true, 
				format: {with: VALID_EMAIL_REGEX}, 
				uniqueness: { case_sensitive: false }
	validates :password, length: {minimum: 6}

	has_secure_password

  def User.new_remember_token
    SecureRandom.urlsafe_base64
  end

  def User.hash(token)
    Digest::SHA1.hexdigest(token.to_s)
  end

  private

    def create_remember_token
      self.remember_token = User.hash(User.new_remember_token)
    end
end
